Home / 2,739.05-3,778.56-2,632.95

Finding the Fourth Proportional to 2,739.05, 3,778.56 and 2,632.95

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Solution

The fourth proportional to 2,739.05, 3,778.56 and 2,632.95 is: 3,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.05 : 3,778.56 = 2,632.95 : x
  2. Step 2: Convert to fraction form
    2,739.05/3,778.56 = 2,632.95/x
  3. Step 3: Cross multiply
    2,739.05x = 3,778.56 × 2,632.95
  4. Step 4: Simplify right side
    2,739.05x = 9,948,759.55
  5. Step 5: Solve for x
    x = 9,948,759.55/2,739.05
  6. Step 6: Final answer
    x = 3,632.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.